We demonstrate the continuous wave operation of a 2.9 THz quantum cascade laser up to 77 K based on a novel buried waveguide geometry. A two dimensional surface plasmon mode is bound at the metal-semiconductor interface, therefore avoiding the usual lateral air confinement for the laser. This is combined with an independent electron channel via proton implantation to realise an embedded structure.
Buried heterostructure 2.9 THz quantum cascade lasers operating up to 77 K in continuous wave using two-dimensional surface plasmon confinement
01.01.2004
109708 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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